The year that ChatGPT went viral, only two US companies—OpenAI and Google—could boast truly cutting-edge artificial intelligence. Three years on, AI is no longer a two-horse race, nor is it purely an American one. A new report published today by Stanford University’s Institute for Human-Centered AI (HAI) highlights just how crowded the field has become.The institute’s 2025 AI index, which collates data and trends on the state of the AI industry, paints a picture of an increasingly competitive, g...